In a televised address to the nation, delivered on March 23, 1983, President Reagan announced his vision of a world safe from nuclear threat. His Strategic Defense Initiative (SDI), later dubbed "Star Wars" by the press, is an idea that remains controversial to this day.
Here are the final two minutes of that speech.
Politics, culture, race relations, and technology in a year of change.
With data compiled from tens of thousands of sex questionnaires, Alfred Kinsey changed America's views about sex with the Kinsey Reports.
The first woman to fly solo across the Atlantic, Earhart disappeared in 1937 during an attempt to circumnavigate the world by airplane.
Intrepid journalist Nelly Bly went on a journey around the world breaking the record of Julius Verne's fictional character.
Joseph Goebbels, the second most powerful man in Nazi Germany, was the mastermind behind Adolf Hitler's success.
The life story of Aimee Semple McPherson, religious evangelist instrumental in bringing conservative Protestantism into mainstream culture.
America's first First Lady defined the role of the President's wife and in the process changed the face of the American presidency.
Richard Nixon faced impeachment but also ended the Vietnam War. Part of the award-winning Presidents collection.